Fixed ngx_http_parse_chunked() minimal length calculation.
Minimal data length we expect for further calls was calculated incorrectly
if parsing stopped right after parsing chunk size. This might in theory
affect clients and/or backends using LF instead of CRLF.
Patch by Dmitry Popov.
diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
index 87a22e0..697d856 100644
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -2180,8 +2180,9 @@
ctx->length = 3 /* "0" LF LF */;
break;
case sw_chunk_size:
- ctx->length = 2 /* LF LF */
- + (ctx->size ? ctx->size + 4 /* LF "0" LF LF */ : 0);
+ ctx->length = 1 /* LF */
+ + (ctx->size ? ctx->size + 4 /* LF "0" LF LF */
+ : 1 /* LF */);
break;
case sw_chunk_extension:
case sw_chunk_extension_almost_done:
